How to use the webpack-atoms.plugins.banner function in webpack-atoms

root: 'React',
      commonjs: 'react',
      commonjs2: 'react',
      amd: 'react'
    },
    'react-dom': {
      root: 'ReactDOM',
      commonjs: 'react-dom',
      commonjs2: 'react-dom',
      amd: 'react-dom',
    },
  },
  plugins: [
    plugins.define(),
    // plugins.uglify(),
    plugins.banner({
      banner: '(c) 2014 - present: Jason Quense | https://github.com/jquense/react-widgets/blob/master/LICENSE.md',
      entryOnly : true
    }),
  ],
  node: {
    Buffer: false,
    fs: 'empty',
    net: 'empty',
    tls: 'empty',
  },
}

entry:
    `${loaders.imports().loader}?` +
    `module=${path.join(dirname, 'localizer.js')}` +
    `!${require.resolve('./shim.js')}`,

  output: {
    path: path.join(dirname, './dist'),
    filename: name + '.js',
    libraryTarget: 'var',
  },
  module: {
    rules: [rules.js({ envName: 'esm' })],
  },
  plugins: [
    plugins.define(),
    plugins.banner({
      banner:
        '(c) 2014 - present: Jason Quense | https://github.com/jquense/react-widgets/blob/master/LICENSE.md',
      entryOnly: true,
    }),
  ],
  externals: {
    react: 'window.React',
    'react-widgets/lib/configure': 'window.ReactWidgets',
    ...JSON.parse(externals || '{}'),
  },
  node: {
    Buffer: false,
  },
})

compiler.run((err, stats) => {

return merge({}, config, {
    devtool: 'source-map',
    entry: `${loaders.imports().loader}?` +
      `module=${path.resolve(process.cwd(), config.entry)}` +
      `!${require.resolve('./shim.js')}`,
    output: {
      libraryTarget: 'var'
    },
    module: {
      rules: [
        rules.js()
      ]
    },
    plugins: [
      plugins.define(),
      plugins.banner({
        banner:'(c) 2014 - present: Jason Quense | https://github.com/jquense/react-widgets/blob/master/LICENSE.md',
        entryOnly : true,
      }),
    ],
    externals: {
      'react': 'window.React',
      'react-widgets/lib/configure': 'window.ReactWidgets',
    },
    node: {
      Buffer: false
    },
  })
}